MPC
CBAT
ICQ
P/1998 U2 (Mueller) Epoch 2007 June 29.0 TT = JDT 2454280.5 T 2007 July 7.8677 TT MPC q 2.031888 (2000.0) P Q n 0.1129446 Peri. 49.7259 +0.8997383 -0.4361556 a 4.238632 Node 336.1208 +0.3879252 +0.8154787 e 0.520627 Incl. 2.1899 +0.1999627 +0.3804770 P 8.73 From 149 observations 1998 Sept. 14-1999 Feb. 14, mean residual 0".6.Elements are also available for the current standard epoch:
P/1998 U2 (Mueller) Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 T 2007 July 7.8750 TT MPC q 2.031880 (2000.0) P Q n 0.1129672 Peri. 49.7273 +0.8997175 -0.4361985 a 4.238068 Node 336.1221 +0.3879638 +0.8154595 e 0.520564 Incl. 2.1900 +0.1999813 +0.3804690 P 8.72An explanation of the orbital elements is available.
These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.
Recent magnitude estimates for this comet (as reported to the ICQ) may be available.
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2WARNING! 2007 05 30 01 43.12 +11 39.3 2.730 2.060 40.0 18.5 18.3 2007 06 04 01 54.05 +12 43.8 2.692 2.053 41.9 19.3 18.3 2007 06 09 02 05.03 +13 46.5 2.655 2.047 43.9 20.1 18.2 2007 06 14 02 16.06 +14 47.4 2.617 2.042 45.8 20.9 18.2 2007 06 19 02 27.13 +15 46.2 2.578 2.039 47.7 21.6 18.1 2007 06 24 02 38.21 +16 42.7 2.540 2.035 49.7 22.4 18.1 2007 06 29 02 49.31 +17 36.8 2.502 2.033 51.6 23.1 18.1 2007 07 04 03 00.41 +18 28.4 2.463 2.032 53.6 23.8 18.0 2007 07 09 03 11.48 +19 17.2 2.424 2.032 55.6 24.4 18.0 2007 07 14 03 22.52 +20 03.3 2.385 2.033 57.7 25.0 18.0 2007 07 19 03 33.50 +20 46.5 2.346 2.034 59.8 25.6 17.9 2007 07 24 03 44.39 +21 26.6 2.306 2.037 62.0 26.1 17.9 2007 07 29 03 55.17 +22 03.8 2.267 2.040 64.2 26.6 17.9 2007 08 03 04 05.81 +22 38.0 2.227 2.045 66.4 27.1 17.8 2007 08 08 04 16.28 +23 09.2 2.187 2.050 68.7 27.5 17.8 2007 08 13 04 26.54 +23 37.4 2.147 2.056 71.1 27.8 17.8 2007 08 18 04 36.56 +24 02.8 2.106 2.063 73.6 28.1 17.8 2007 08 23 04 46.30 +24 25.4 2.065 2.071 76.2 28.3 17.7 2007 08 28 04 55.73 +24 45.3 2.025 2.080 78.8 28.5 17.7 2007 09 02 05 04.79 +25 02.8 1.984 2.089 81.6 28.5 17.7 2007 09 07 05 13.46 +25 18.0 1.943 2.100 84.4 28.5 17.7 2007 09 12 05 21.67 +25 31.1 1.901 2.111 87.4 28.5 17.6 2007 09 17 05 29.38 +25 42.4 1.860 2.123 90.5 28.3 17.6 2007 09 22 05 36.55 +25 52.1 1.820 2.136 93.8 28.0 17.6 2007 09 27 05 43.13 +26 00.4 1.779 2.149 97.2 27.6 17.6 2007 10 02 05 49.06 +26 07.6 1.740 2.163 100.8 27.0 17.6 2007 10 07 05 54.31 +26 13.9 1.701 2.178 104.5 26.4 17.5 2007 10 12 05 58.81 +26 19.6 1.663 2.193 108.4 25.6 17.5 2007 10 17 06 02.51 +26 24.8 1.627 2.210 112.5 24.6 17.5 2007 10 22 06 05.38 +26 29.8 1.592 2.226 116.9 23.5 17.5 2007 10 27 06 07.38 +26 34.5 1.559 2.244 121.4 22.2 17.5 2007 11 01 06 08.50 +26 39.1 1.529 2.261 126.1 20.8 17.5 2007 11 06 06 08.71 +26 43.6 1.503 2.280 131.0 19.1 17.5 2007 11 11 06 08.02 +26 47.7 1.479 2.299 136.2 17.3 17.5 2007 11 16 06 06.47 +26 51.4 1.460 2.318 141.6 15.4 17.5 2007 11 21 06 04.11 +26 54.4 1.446 2.338 147.1 13.3 17.5 2007 11 26 06 01.03 +26 56.5 1.437 2.358 152.8 11.0 17.5 2007 12 01 05 57.36 +26 57.4 1.433 2.379 158.6 8.7 17.5 2007 12 06 05 53.23 +26 56.8 1.436 2.400 164.5 6.3 17.6 2007 12 11 05 48.79 +26 54.8 1.445 2.421 170.3 3.9 17.6 2007 12 16 05 44.24 +26 51.2 1.461 2.443 175.4 1.8 17.7 2007 12 21 05 39.76 +26 46.1 1.483 2.465 175.4 1.8 17.8 2007 12 26 05 35.51 +26 39.8 1.513 2.487 170.2 3.8 17.9 2007 12 31 05 31.64 +26 32.5 1.549 2.510 164.5 6.0 17.9 2008 01 05 05 28.27 +26 24.6 1.591 2.533 158.8 8.1 18.0 2008 01 10 05 25.50 +26 16.4 1.640 2.556 153.1 10.0 18.2 2008 01 15 05 23.39 +26 08.3 1.695 2.580 147.6 11.8 18.3 2008 01 20 05 22.00 +26 00.5 1.755 2.603 142.2 13.4 18.4 2008 01 25 05 21.32 +25 53.2 1.821 2.627 137.0 14.8 18.5 2008 01 30 05 21.36 +25 46.5 1.890 2.651 131.9 16.1 18.6 2008 02 04 05 22.08 +25 40.6 1.964 2.676 127.0 17.1 18.7 2008 02 09 05 23.47 +25 35.4 2.042 2.700 122.2 18.0 18.9 2008 02 14 05 25.49 +25 30.9 2.122 2.725 117.6 18.7 19.0 2008 02 19 05 28.09 +25 27.0 2.206 2.749 113.2 19.3 19.1 2008 02 24 05 31.23 +25 23.5 2.292 2.774 108.9 19.7 19.2 2008 02 29 05 34.87 +25 20.4 2.379 2.799 104.6 20.0 19.4 2008 03 05 05 38.95 +25 17.4 2.469 2.824 100.6 20.2 19.5 2008 03 10 05 43.44 +25 14.5 2.559 2.849 96.6 20.3 19.6 2008 03 15 05 48.31 +25 11.5 2.651 2.874 92.7 20.2 19.7 2008 03 20 05 53.51 +25 08.3 2.743 2.900 88.9 20.1 19.8 2008 03 25 05 59.00 +25 04.7 2.835 2.925 85.2 19.9 19.9 2008 03 30 06 04.75 +25 00.5 2.927 2.950 81.5 19.6 20.0 2008 04 04 06 10.74 +24 55.8 3.019 2.976 78.0 19.2 20.1 2008 04 09 06 16.93 +24 50.3 3.110 3.001 74.4 18.8 20.2 2008 04 14 06 23.31 +24 44.0 3.201 3.026 71.0 18.3 20.3 2008 04 19 06 29.83 +24 36.8 3.290 3.052 67.6 17.7 20.4 2008 04 24 06 36.48 +24 28.7 3.378 3.077 64.2 17.1 20.5 2008 04 29 06 43.24 +24 19.5 3.465 3.103 60.9 16.5 20.6 2008 05 04 06 50.10 +24 09.4 3.550 3.128 57.6 15.8 20.7 2008 05 09 06 57.03 +23 58.1 3.633 3.154 54.4 15.1 20.8 2008 05 14 07 04.02 +23 45.8 3.714 3.179 51.2 14.3 20.9 2008 05 19 07 11.05 +23 32.3 3.793 3.205 48.0 13.6 21.0 2008 05 24 07 18.10 +23 17.8 3.869 3.230 44.8 12.8 21.0 2008 05 29 07 25.17 +23 02.1 3.942 3.256 41.6 11.9 21.1 2008 06 03 07 32.25 +22 45.4 4.013 3.281 38.5 11.1 21.2 2008 06 08 07 39.32 +22 27.6 4.081 3.306 35.4 10.2 21.2 2008 06 13 07 46.37 +22 08.7 4.146 3.331 32.3 9.4 21.3 2008 06 18 07 53.39 +21 48.8 4.207 3.357 29.2 8.5 21.4 2008 06 23 08 00.38 +21 28.0 4.265 3.382 26.0 7.6 21.4 2008 06 28 08 07.32 +21 06.2 4.320 3.407 22.9 6.7 21.5 2008 07 03 08 14.21 +20 43.6 4.371 3.432 19.8 5.8 21.6This comet gets close to the sun during the period covered in the ephemeris below. Observers are warned to be wary of observing comets near the sun. NEVER point any kind of optical instrument at the sun--instant blindness will be the probable result.